Basic Specifications; Printer And Pc Printing; Scanner - Epson Stylus PHOTO RX640 Service Manual

EPSON Stylus PHOTO RX640/650

1.2 Basic Specifications

1.2.1 Printer and PC Printing

Basic Specifications
Table 1-1. Printer Basic Specifications
Items
Print method On-demand ink jet
Black ink: 90 nozzles
Print heads
Color ink: 90 nozzles x 5 colors
(cyan, magenta, yellow, light cyan, and light magenta)
Print Direction Bi-Directional minimum distance printing (with logic seeking)
Print resolution 5760 x 1440 dpi (max)
Input buffer size 256 K Bytes
Paper Feed Specifications
Table 1-2. Paper Feed Specifications
Items
Paper feed method Friction feed using an ASF (Auto Sheet Feeder)
Paper path Top feed, front out
TBD mm/sec (TBD inches/sec) (when 25.4-mm paper feeds)
Paper feed rates
296.64 mm/sec (11.6 inches/sec) (when paper feeds in high-speed
continuous mode)
CR interval Programmable in 0.0176 mm (1/1440 inch) steps
Printing using a Borderless layout :
Top detection and PW detection implemented for platen print
prevention.
Printing using a layout with borders :
Platen print prevention
platen print prevention with the paper width of 1st page or 1st
job
Economy printing mode :
no platen print prevention.
Product Description
Specifications
Specifications
Basic Specifications

1.2.2 Scanner

Basic Specifications
Table 1-3. Basic Specifications
Items
Product type Flatbed color image scanner
Scanning method Fixed document and carriage movement
Sensor Automotive 6 line color CCD with On-Chip Microlens
Maximum scan area 8.5" x 11.7" (216 mm x 297 mm)
Document sizes A4, US Letter
Max. effective pixels 27,200 x 37,440 pixels (3200 dpi)
Main scan: 3200 dpi
Sub scan: 6400 dpi with Micro Step drive
Resolution
50 to 6400 dpi (selectable in 1-dpi steps)
(12800 dpi is achieved by enlarging 6400 dpi by 200 %)
3200dpi : Color
Monochrome : Approx. 23 msec
Scanning speed*
600dpi : Color
Monochrome : Approx. 4.5 msec
Light source White cold cathode fluorescent lamp
Scan 35mm film strips with up to six per strip
LiD-TPU Scan 35mm film slides with up to four per slide
Built-in 35mm film strip adapter
*: Gradations (pixel depth): Each pixel has 16-bit input and 1-, 8- or 16-bit output.
Revision A
Specifications
: Approx. 23 msec
: Approx. 4.5 msec
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